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BR9711091A - High-strength deep-drawing steel developed by reaction with ammonia - Google Patents

High-strength deep-drawing steel developed by reaction with ammonia

Info

Publication number
BR9711091A
BR9711091A BR9711091-4A BR9711091A BR9711091A BR 9711091 A BR9711091 A BR 9711091A BR 9711091 A BR9711091 A BR 9711091A BR 9711091 A BR9711091 A BR 9711091A
Authority
BR
Brazil
Prior art keywords
steel
sheet
temperature
article
ammonia
Prior art date
Application number
BR9711091-4A
Other languages
Portuguese (pt)
Inventor
Scott J Lally
Harish A Holla
Original Assignee
Uss Eng & Consult
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uss Eng & Consult filed Critical Uss Eng & Consult
Publication of BR9711091A publication Critical patent/BR9711091A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/08—Surface hardening with flames
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0457—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

''AçO PARA ESTIRAMENTO PROFUNDO DE ALTA RESISTêNCIA DESENVOLVIDA POR REAçãO COM AMÈNIA'' Um método para a produção de chapas de aço com elevada resistência e artigos moldados a partir de chapa e contendo cerca de 0,01-03 Ti, Ni ou V não combinados e livres de porcentagem atómica como elemento de reforço efetuando-se a termolaminação, ou termolaminação seguida de laminação a frio da placa dentro de faixas limitadas de temperatua, o efetuando-se o recozimento da chapa laminada ou artigos moldados a uma temperatura de cerca de 689°C-730°C (1275-1350°F) para prover uma estrutura de grão (111), nitrificar e chapa recozida ou artigo moldado em forno de recozimento a uma temperatura de cerca de 425-674°C (800-1250°F) sob fluxo de gás laminar ou turbulento e controlar a resistência do artigo de aço como uma função da composição do aço, da composição do gás de nitrificação, da temperatura de nitrificação, da espessura da chapa de aço e da profundidade de resisitência desejada, de acordo com relações especificadas, para prover um artigo de aço tendo um limite de elasticidade com 0,2% de distância após laminação de necruamento de pelo menos 15284kcm² (40ksi) e um valor r de cerca de 1,7 para a chapa laminada a frio.'' HIGH STRENGTH DEEP STEEL STEEL DEVELOPED BY REACTION WITH AMMONIA '' A method for the production of highly resistant steel sheets and articles molded from sheet and containing about 0.01-03 Ti, Ni or V no combined and free of atomic percentage as a reinforcement element by performing thermolamination, or thermolamination followed by cold lamination of the plate within limited temperature ranges, or by annealing the laminated sheet or molded articles at a temperature of about 689 ° C-730 ° C (1275-1350 ° F) to provide a grain structure (111), nitrify and annealed sheet or molded article in an annealing furnace at a temperature of about 425-674 ° C (800-1250 ° F) under laminar or turbulent gas flow and control the strength of the steel article as a function of the steel composition, the nitrification gas composition, the nitrification temperature, the thickness of the steel sheet and the depth and desired strength, according to specified ratios, to provide a steel article having an elastic limit of 0.2% distance after necruition lamination of at least 15284kcm² (40ksi) and an r value of about 1.7 for cold rolled sheet.

BR9711091-4A 1996-12-23 1997-05-16 High-strength deep-drawing steel developed by reaction with ammonia BR9711091A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/773,205 US5772795A (en) 1996-12-23 1996-12-23 High strength deep drawing steel developed by reaction with ammonia
PCT/US1997/009461 WO1998028450A1 (en) 1996-12-23 1997-05-16 High strength deep drawing steel developed by reaction with ammonia

Publications (1)

Publication Number Publication Date
BR9711091A true BR9711091A (en) 2000-04-25

Family

ID=25097527

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9711091-4A BR9711091A (en) 1996-12-23 1997-05-16 High-strength deep-drawing steel developed by reaction with ammonia

Country Status (7)

Country Link
US (1) US5772795A (en)
EP (1) EP0946763A4 (en)
JP (2) JP3970323B2 (en)
KR (1) KR20000010664A (en)
BR (1) BR9711091A (en)
CA (1) CA2250742A1 (en)
WO (1) WO1998028450A1 (en)

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DE59503930D1 (en) * 1995-06-30 1998-11-19 Picard Fa Carl Aug Master blade of a saw, such as a circular or gang saw, a cutting disc, a cutting or scraping device
US6110296A (en) * 1998-04-28 2000-08-29 Usx Corporation Thin strip casting of carbon steels
US6878250B1 (en) 1999-12-16 2005-04-12 Honeywell International Inc. Sputtering targets formed from cast materials
US20040072009A1 (en) * 1999-12-16 2004-04-15 Segal Vladimir M. Copper sputtering targets and methods of forming copper sputtering targets
US6331233B1 (en) 2000-02-02 2001-12-18 Honeywell International Inc. Tantalum sputtering target with fine grains and uniform texture and method of manufacture
US7517417B2 (en) * 2000-02-02 2009-04-14 Honeywell International Inc. Tantalum PVD component producing methods
DE10117118C1 (en) * 2001-04-06 2002-07-11 Thyssenkrupp Stahl Ag Production of fine sheet metal used in the production of cans comprises casting a steel to slabs or thin slabs, cooling, re-heating, hot rolling in several passes
US20070084527A1 (en) * 2005-10-19 2007-04-19 Stephane Ferrasse High-strength mechanical and structural components, and methods of making high-strength components
JP5167553B2 (en) * 2005-11-14 2013-03-21 Ｄｏｗａサーモテック株式会社 Nitrogen treatment method and nitrogen treatment apparatus
JP4009313B2 (en) 2006-03-17 2007-11-14 株式会社神戸製鋼所 High strength steel material excellent in weldability and method for producing the same
US20070251818A1 (en) * 2006-05-01 2007-11-01 Wuwen Yi Copper physical vapor deposition targets and methods of making copper physical vapor deposition targets
US8691030B2 (en) * 2007-06-18 2014-04-08 Exxonmobil Upstream Research Company Low alloy steels with superior corrosion resistance for oil country tubular goods
KR101452925B1 (en) * 2007-07-03 2014-10-21 일진제강 주식회사 METHOD FOR MANUFACTURING HIGH STRENGTH COMPONENTS AND HIGH STRENGTH COMPONENTS
US20090092447A1 (en) * 2007-10-08 2009-04-09 Armortec, Inc. Non-abrasive pad for an articulated seabed mat
US8337089B2 (en) * 2007-11-27 2012-12-25 Ntn Corporation Mechanical component and rolling bearing
JP5266910B2 (en) * 2008-06-26 2013-08-21 トヨタ自動車株式会社 Heat treatment jig and heat treatment apparatus
US20110277886A1 (en) * 2010-02-20 2011-11-17 Nucor Corporation Nitriding of niobium steel and product made thereby
DE102010017354A1 (en) * 2010-06-14 2011-12-15 Thyssenkrupp Steel Europe Ag Process for producing a hot-formed and hardened steel component coated with a metallic anti-corrosion coating from a flat steel product
US10974349B2 (en) * 2010-12-17 2021-04-13 Magna Powertrain, Inc. Method for gas metal arc welding (GMAW) of nitrided steel components using cored welding wire
JP5784144B2 (en) * 2010-12-20 2015-09-24 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ Heat treatment process for manufacturing process of drive belt metal ring components
DE102014112286A1 (en) * 2014-08-27 2016-03-03 Thyssenkrupp Ag Method for producing an embroidered packaging steel
DE112016005584T5 (en) * 2015-12-07 2018-09-13 Magna Powertrain, Inc. Method for metal arc gas welding (GMAW) of nitrided steel components using a core welding wire
FR3097791B1 (en) * 2019-06-28 2021-06-18 Safran Aircraft Engines HOT CONFORMATION CORE OF A METAL PIECE AND MANUFACTURING, REGENERATION AND CONFORMATION PROCESS
DE102020106164A1 (en) * 2020-03-06 2021-09-09 Thyssenkrupp Rasselstein Gmbh Cold rolled flat steel product for packaging
CN115747704B (en) * 2022-11-17 2025-06-27 中冶南方工程技术有限公司 A method for preparing high magnetic induction oriented electrical steel

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Also Published As

Publication number Publication date
EP0946763A4 (en) 2003-06-25
EP0946763A1 (en) 1999-10-06
US5772795A (en) 1998-06-30
JP2001507080A (en) 2001-05-29
CA2250742A1 (en) 1998-07-02
KR20000010664A (en) 2000-02-25
WO1998028450A1 (en) 1998-07-02
JP3970323B2 (en) 2007-09-05

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A,8A,9A E 10A ANUIDADE(S)

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1912 DE 28/08/2007.